JAMBHEKAR, A.; MEHTA, N. Online Circulation System:VSL Experience. Journal of Information and Knowledge, [S. l.], v. 28, n. 4, p. 160–166, 1991. DOI: 10.17821/srels/1991/v28i4/50508. Disponível em: https://srels.org/index.php/sjim/article/view/50508. Acesso em: 6 jan. 2025.